Safety razor and blade unit for safety razor
a safety razor and razor blade technology, applied in the direction of metal working devices, etc., can solve the problems of narrower skin surface areas such as the ankles, behind the knees, under the arms, and the use of razors that are more contoured, and achieve the effect of reducing the risk of injury
Active Publication Date: 2018-03-22
KAI R&D CENT CO LTD
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- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Benefits of technology
The present invention is related to a safety razor with a blade unit. The blade unit includes a blade and various components for holding and sharpening the blade. The blade unit is designed to improve the safety and performance of the safety razor. The patent describes several embodiments of the blade unit, which can be used in different safety razors. The technical effects of the invention include improved shaving efficiency, better safety, and improved user experience. The patent also includes drawings that help explain the principles of the invention.
Problems solved by technology
For example, while blade units having a rectangular, planar and / or block-type shape provide good performance for shaving relatively flat, large skin surface areas, their use for shaving more contoured, smaller, narrower skin surface areas such as those around the ankles, behind the knees and under the arms, can be more problematic.
Method used
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Embodiment Construction
[0035]The following detailed description refers to the accompanying drawings that illustrate exemplary embodiments consistent with this invention. Other embodiments are possible, and modifications can be made to the embodiments within the spirit and scope of the invention. Therefore, the detailed description is not meant to limit the invention.
[0036]Reference will now be made to FIGS. 1 to 9, which are views of a blade unit and safety razor including the blade unit, according to embodiments. The safety razor 8 has a blade unit 10 and a handle 16 (only a part of which is shown in FIG. 1). The blade unit 10 includes a connecting structure 14 that fixes the blade unit 10 to the handle 16, a blade housing 12 and a supporting structure 13 of the blade housing 12. The blade housing 12 holds a plurality of blades 18 (five blades in this particular case) having respective cutting edges 20 that lie in a shaving plane P. Thus, as used herein, the term “shaving plane” generally refers to the p...
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Disclosed is a blade unit for a safety razor, comprising: a blade housing comprising a plurality of blades having respective cutting edges lying in a shaving plane and being arranged to exert a cutting action when moved across a user's skin in a shaving direction; and a guard in front of the cutting edges and a cap to the rear of the cutting edges, the guard including an elongate lubricating strip, the cap including a non-flexible concave back portion supporting a convex lubricating pad, the convex lubricating pad having a convex skin-contacting surface and a rear edge curved in a single arc shape along its entirety. No separate frame is provided around an outer perimeter for fixing the convex lubricating pad, so that the convex lubricating pad rear edge meets flush with the non-flexible concave back portion, providing a smooth, lubricated rear edge of the blade unit.
Description
FIELD[0001]Embodiments described herein relate to safety razors and blade units for safety razors.BACKGROUND[0002]Safety razors are typically composed of a blade unit connected, either detachably or fixedly (permanently fixed or integrated), to a handle. Blade units are known which have one or more blades, often a plurality of parallel blades, each defining a cutting edge, with blade unit elements positioned in front of and behind (rear of) the cutting edge(s) (referred to as a “guard” and a “cap”, respectively) in a shaving direction. A shaving aid, such as a lubricating strip, is often incorporated in one or both of these blade unit elements to improve shaving performance and lubricating treatment of the user's skin.[0003]The shape of the blade unit can affect shaving performance. For example, while blade units having a rectangular, planar and / or block-type shape provide good performance for shaving relatively flat, large skin surface areas, their use for shaving more contoured, s...
Claims
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IPC IPC(8): B26B21/44B26B21/06B26B21/22B26B21/40
CPCB26B21/443B26B21/06B26B21/225B26B21/4018B26B21/4025B26B21/4068
Inventor LESSMANN, MICHAELTREU, JENSZENG, KESENNEUMANN, YVONNENAKASUKA, HIROYUKIHAGENS, RALFDRESCHER, PHILIP
Owner KAI R&D CENT CO LTD